Home / 10,490,517.07-15,718,379.74-6,379,402.39

Finding the Fourth Proportional to 10,490,517.07, 15,718,379.74 and 6,379,402.39

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Solution

The fourth proportional to 10,490,517.07, 15,718,379.74 and 6,379,402.39 is: 9,558,524.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490,517.07 : 15,718,379.74 = 6,379,402.39 : x
  2. Step 2: Convert to fraction form
    10,490,517.07/15,718,379.74 = 6,379,402.39/x
  3. Step 3: Cross multiply
    10,490,517.07x = 15,718,379.74 × 6,379,402.39
  4. Step 4: Simplify right side
    10,490,517.07x = 100,273,869,264,910.39
  5. Step 5: Solve for x
    x = 100,273,869,264,910.39/10,490,517.07
  6. Step 6: Final answer
    x = 9,558,524.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.